/Engine/Plugins/Compositing/OpenColorIO/Source/OpenColorIO/Public/OpenColorIOColorTransform.h
Returns a Guid for the LUT based on its unique identifier, name and the OCIO DDC key.
static void GetOpenColorIOLUTKeyGuid ( const [FString](API\Runtime\Core\Containers\FString) & InProcessorIdentifier, const [FName](API\Runtime\Core\UObject\FName) & InName, [FGuid](API\Runtime\Core\Misc\FGuid) & OutLutGuid )